Codes and Frequencies
This variable describes if the respondent had asthma in past 12 months.
Please refer to the Comparability section for more information on changes in the universe of this variable.
For a full list of variable related to asthma, see the "Asthma" link under the "Conditions" tab, under the "Persons" variables tab on the IPUMS NHIS website.
- 1988: Sample persons aged 18+ who have ever worked.
- 1991: Sample persons aged 18+.
- 1988, 1991